Rangers boss Philippe Clement has claimed that the club need to sell before they can buy this summer. The Belgian manager has been clear that Rangers’ stuttering player trading model is costing the club amid what Clement himself describes as a ‘massive rebuild’. Whilst suggestions the Rangers gaffer had the wool pulled over his eyes by the Board have been short-lived, the situation remains the same. Rangers need to sell before they can raise enough funds – and shift enough deadweight off the wage bill – to fund their summer transfer business. But there is one £3.5m headache lingering in the ba…